<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册</title>
</head>
<body>
<form action="/save" method="post">
    用户名:<input type="text" name="username">${msg}
    密码:<input type="password" name="password">
    <input type="submit" value="提交">
    <input type="reset" value="清空">
</form>
</body>
</html>